#include <bits/stdc++.h>

using namespace std;

int n,a[100001],b[100001];

int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    int x,m=1,sum=0,k=-1;
    for(int i=1;i<=n;i++)
    {
        cin>>x;
        if(x>k)
        {
            k=x;
        }
        a[x]++;
    }
    for(int i=1;i<=k;i++)
    {
        if(a[i]>sum)
        {
            sum=a[i];
        }
    }
    cout<<sum;
    fclose(stdin);
    fclose(stdout);
    return 0;
}
